Contributor: Sam Killian, MD Educational Pearls: Spontaneous bacterial peritonitis (SBP) is an infection of peritoneal fluid that typically occurs in cirrhotic patients Symptoms may include abdominal pain, fever, and/or altered mental status Paracentesis is diagnostic test of choice. Diagnostic criteria includes > 250 polymorphonuclear cells (PMNs) or a positive gram stain/culture Treatment is typically a 3rd generation cephalosporin ·30-40% of SBP patients will go into renal failure and SBP associated with sepsis has an ~80% mortality References Dever JB, Sheikh MY. Review article: spontaneous bacterial peritonitis--bacteriology, diagnosis, treatment, risk factors and prevention. Aliment Pharmacol Ther. 2015 Jun;41(11):1116-31. doi: 10.1111/apt.13172. Epub 2015 Mar 26. PMID: 25819304. MacIntosh T. Emergency Management of Spontaneous Bacterial Peritonitis - A Clinical Review. Cureus. 2018 Mar 1;10(3):e2253. doi: 10.7759/cureus.2253. PMID: 29721399; PMCID: PMC5929973.   Summarized by Jackson Roos, MS4 | Edited by Erik Verzemnieks, MD   The Emergency Medical Minute is excited to announce that we are now offering AMA PRA Category 1 credits™ via online course modules. To access these and for more information, visit our website at www.emergencymedicalminute.com/cme-courses/ and create an account.